<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card>
      <!-- 搜索与添加区 -->
        <el-row :gutter="20">
        <el-col :span="8">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getGoodsList'>
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
        </el-input>
        </el-col>
        <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
        </el-row>

    <!-- 商品列表区 -->
        <el-table :data="goodsList" style="width: 100%" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column prop="goods_name" label="商品名称" width="600px"></el-table-column>
            <el-table-column prop="goods_price" label="商品价格（元）"></el-table-column>
            <el-table-column prop="goods_weight" label="商品重量"></el-table-column>
            <el-table-column label="创建时间">
              <template slot-scope="scope">
                {{scope.row.add_time | dateFormat}}
              </template>
            </el-table-column>
            <el-table-column label="操作" width="200">
                <template slot-scope="scope">
                <!-- {{scope.row.goods_id}} -->
                <!-- 修改 -->
                <el-button size="mini" type="primary" icon="el-icon-edit"></el-button>
                <!-- 删除 -->
                <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeGoods(scope.row.goods_id)" ></el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页区域 -->
        <el-pagination
          background
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[5, 10, 15, 20]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
        </el-pagination>

    </el-card>
  </div>
</template>

<script>
export default {
  name: 'goods',
  data () {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      total: 0,
      goodsList: []
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
      //   this.$message.success('获取商品列表成功')
      // console.log(res)
    },
    // 监听表格每页尺寸改变
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange (newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除商品
    async removeGoods (goodsId) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${goodsId}`)
      if (res.meta.status !== 200) return this.$message.error('删除失败')
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    // 添加商品
    goAddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>

</style>
